Home / Standards / GB/T 42159-2022 GB/T 42159-2022 Active Titanium and titanium alloy bars and wires for fastener 紧固件用钛及钛合金棒材和丝材 Standard Type GBT ICS 77.150.50 CCS H64 Status 现行 Issue Date 2022-12-30 Implementation 2023-07-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A